We didn't know that there enough of these to create competition, but the "SolarShuttle" claims to be the "UK's largest and most advanced solar boat," according to Gizmag. Plying the waters of the "ecologically fragile" Serpentine Lake at Hyde Park in London, the boat reportedly runs silently and without pollution while ferrying up to 42 passengers. It even stores more than enough power to operate at night, sending surplus solar energy back to national utility plants. That's especially comforting because it means the boat won't get stranded while rented out for an insufferable company party.
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